While digging around in Windows 8 I came across two feature in Control Panel that I just had to click on to see what they did - an option to 'refresh' my system and another one that allowed me to 'reset' it.
The differences are pretty self-explanatory, but here's a quick run-down just in case you're confused:
Each involved just a few clicks, and NO Windows installation disk is required. Both processes seem to take a few minutes (between 5 and 10 minutes ... I wasn't timing it, there's no point with such an early build) and a few reboots.
Refresh:
Reset:
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